Hidden Museum Vaults reveals the unseen world of museum storage, where the vast majority of art and historical artifacts reside, awaiting display or undergoing preservation. These vaults, often labyrinthine, are critical for safeguarding our cultural heritage. The book explores the immense scale and logistical complexity of these hidden spaces, highlighting sophisticated preservation methods and the ethical considerations surrounding deaccessioning.

The book examines how museums have evolved from private collections to public institutions, necessitating systematic storage practices. For example, the book delves into how environmental monitoring systems are used to maintain optimal preservation conditions, showcasing science's role in preserving artifacts. It also tackles complex issues like repatriation claims, emphasizing museums' ethical responsibilities.

The book begins by introducing the concept of museum storage and its historical development, contrasting early disorganized methods with contemporary scientific approaches. It then examines specific storage techniques for diverse materials and addresses dilemmas surrounding deaccessioning policies. Finally, the book culminates by exploring the future of museum storage, considering the impact of digital technologies.